New Holland Td3.50 Tractor Operator & Maintenance Manual.pdf

Part Number 47376814
1st edition English
May 2012
TD3.50
Tractors
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36-+-2%0ß-27869'8-327ßßEGGSVHMRKßXSß(MVIGXMZIß)'ß%RRIß-ß

SECTION SUMMARY
1 – Introduction and safety measures
2 – General information, controls and instruments
3 – Field Operations
4 – Lubrication and Maintenance
5 – Troubleshooting
6 – Vehicle storage
7 – Accessories
8 – Specifications and Data
9 – First 50–Hour Service Forms
10 – Alphabetical Index

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1–1
SECTION 1
INTRODUCTION AND SAFETY MEASURES
TO THE OWNER
GENERAL
This Manual has been prepared to assist you in the
correct procedure for running–in, driving and
operating and for the maintenance of your new
tractor. Read this Manual carefully. Your tractor is
intended for use in normal and customary
agricultural applications.
If at any time you require advice concerning your
tractor, do not hesitate to contact your New Holland
dealer. He has factory trained personnel, genuine
manufacturers’ parts and the necessary equipment
to carry out all your service requirements.
Your tractor has been designed and built to give
maximum performance, economy and ease of
operation under a wide variety of operating
conditions. Prior to delivery, the tractor was carefully
inspected, both at the factory and by your dealer to
ensure that it reaches you in optimum condition. To
maintain this condition and ensure trouble–free
operation, it is important that the routine services, as
specified in Section 4 of this Manual, are carried out
at the recommended intervals.
CLEANING THE TRACTOR
Your tractor is a state-of-the-art machine with user
friendly controls. This should be borne in mind when
cleaning the tractor, particularly if using a high
pressure washer. Even though every precaution has
been taken to safeguard electrical components and
connections, the pressure generated by some of
these machines is such that complete protection
against water ingress can not be guaranteed.
When using a high pressure washer, do not stand too
close to the tractor and avoid directing the jet at
electronic components, electrical connections,
breathers, seals, filler caps, etc. Never direct a cold
water jet at a hot engine or exhaust.
SAFETY
Pages 1–5 to 1–25 inclusive list the precautions to
be observed to ensure your safety and the safety of
others. Read the safety precautions and follow the
advice offered before operating the tractor.
FIRST 50 HOUR SERVICE
In Section 9, at the back of this Manual, you will find
the 50–hour service reports.
After you have operated the tractor for 50 hours, take
your tractor, together with this Manual, to your dealer.
He will then perform the factory recommended 50–
hour service and complete the service report sheets
(pages 9–1 and 9–3). The first sheet (page 9–1) is the
dealer’s copy and should be removed by the dealer
after the service has been carried out. The second
sheet (page 9–3) is your copy of the service
performed. Ensure that you and the dealer sign
both copies.
SERVICE PARTS
It should be pointed out that genuine parts have been
examined and approved by the Company. The
installation and/or use of ‘non-genuine’ products
could have negative effects upon the design
characteristics of your tractor and thereby affect it’s
safety. The Company is not liable for any damage
caused by the use of ‘non–genuine’ parts and
accessories. Only genuine replacement parts should
be used. The use of non-genuine parts may
invalidate legal approvals associated with this
product.
It is prohibited to carry out any modifications to the
tractor unless specifically authorised, in writing, by
the After Sales Service department of the Company.
WARRANTY
Your tractor is warranted according to legal rights in
your country and the contractual agreement with the
selling dealer. No warranty shall, however, apply if
the tractor has not been used, adjusted and
maintained according to the instructions given in the
Operator’s Manual.

SECTION 1 – INTRODUCTION AND SAFETY MEASURES
1–2
ABOUT THIS MANUAL
This Manual gives information for use of this tractor, as intended and under the conditions foreseen by the
manufacturer during normal operation and routine service and maintenance.
• Normal operation means the use of the tractor for the purpose intended by the manufacturer by an operator
familiar with the tractor and the mounted or towed equipment and complying with the information for operation
and safe practices, as specified by the manufacturer in this Manual and by the signs on the tractor and the
equipment.
• Normal operation includes the preparation and storage of the tractor, swinging components into work position
and vice versa, adding or removing ballast and picking up and setting off attachments.
• Normal operation includes the adjustment and setting of the tractor and equipment, for the specific condition
of the field and/or the crop.
• Routine service and maintenance means activities that must be done daily by an operator familiar with the
tractor characteristics and complying with the information for routine service and safe practices, as specified
by the manufacturer in this Manual and by signs on the tractor, in order to maintain its proper function. Routine
service includes activities such as fuelling, cleaning, washing, topping up fluid levels, greasing, replacing of
consumable articles such as lamp bulbs.
• This Manual is not giving all the information related to periodical service, converting and repairs to be carried
out by professional service personnel. For some of the latter activities, there may be a need for appropriate
facilities, technical skills and tools which are not supplied with the tractor, please refer to your dealer or
authorised workshop.
• Periodical service means activities that must be done at defined intervals by trained personnel familiar with
the tractor characteristics and which are complying with the information for periodical service and safe
practices, as partly specified by the manufacturer in this Manual and in other Company literature, in order
to maintain the expected life time of the tractor.
• Converting means activities that must be done by professional service personnel familiar with the tractor
characteristics and complying with the information for converting, as partly specified by the manufacturer in
this Manual, in assembly instructions or in other Company literature, in order to fit the tractor to a specific
configuration.
• Repair means activities that must be done by professional service personnel only familiar with the tractor
characteristics and complying with the information for repair, as specified by the manufacturer in the dealer’s
Workshop Manual, in order to restore the proper function of the tractor after a failure or degradation of
performance.

1–3
TRACTOR IDENTIFICATION PLATES
Serial numbers identify the tractor and its main components. The identification data must be supplied by the
dealer for requests for spare parts or service operations. Identification data is of fundamental importance in the
event of theft of the tractor. The location of the various identification data is shown below.
Frame identification data
plate
Engine identification
data plate (stamped
on engine body).
Tractor frame number identifi-
cation data plate (stamped on
the axle support )
Tractor frame number identifi-
cation data plate (stamped on
the axle support )
Frame identification data plate
The Product Identification Number plate provides
important information on tractor and towed
equipment weight combinations. This plate can be
found on the left–hand side of the rops support.
The figures shown are the maximum permissible
vehicle and towing weights and should not be
exceeded, to do so may affect the safe operation of
the tractor. See Drawbars and Towing Attachments
in Section 7.

1–4
ECOLOGY AND THE ENVIRONMENT
Soil, air and water are vital factors of agriculture and
life in general. Where legislation does not yet rule the
treatment of some of the substances which are
required by advanced technology, common sense
should govern the use and disposal of products of a
chemical and petrochemical nature.
The following are recommendations which may be of
assistance:
• Become acquainted with and ensure that you
understand the relative legislation applicable to
your country.
• Ask your suppliers of lubricants, oils, fuels,
antifreeze, detergents, etc.. for information on
the effects of these products on humans and the
environment and for instructions concerning
their use, storage and disposal. In many cases,
local agricultural consultants will be able to
provide assistance.
HELPFUL HINTS
1. Avoid filling tanks using unsuitable containers or
inappropriate pressurised fuel delivery systems
which may cause considerable spillage.
2. In general, avoid skin contact with all fuels, oils,
acids, solvents, etc. Most of them contain
substances which can be harmful to your health.
3. Modern oils contain additives. Do not burn
contaminated fuels and/or waste oils in ordinary
heating systems.
4. Avoid spillage when transferring used engine
cooling liquids, engine and transmission
lubricants, hydraulic oils, brake fluids, etc.. Never
mix used brake oil with fuel oil, or fuel oil with
lubricants. Store safely until suitable disposal
can be arranged according to national legislation
or local regulations.
5. Modern antifreeze liquids and solutions, e.g.
antifreeze and other additives, must bereplaced
every two years. They must not be left to be
absorbed into the ground, but must be collected
and disposed of in a suitable manner.
6. Repair any leaks or defects in the engine cooling
or hydraulic system immediately.
7. Do not increase the pressure in a pressurised
circuit as this may lead to the components
exploding.
8. Protect hoses during welding as penetrating
weld splatter may burn a hole or weaken them,
causing the loss of oils, coolant, etc.
9. Do not adjust the setting of the fuel delivery
system as this will alter the emission of exhaust
fumes.
NOTE: The engines installed on the tractors comply
with anti–pollution legislation.

1–5
SAFETY MESSAGES USED IN THIS MANUAL
This warning symbol points out
important messages concerning
your safety.
Read the following safety regulations carefully and
follow the recommendations in order to avoid
potential hazards and safeguard your health and
safety.
In this Manual the symbol is accompanied by the
following keywords:
DANGER
Indicates an immediate hazardous sitaution, that, if
not avoided, will result in death or serious injury.
WARNING
Indicates a potential hazardous situation that, if not
avoided, could result in serious injury.
CAUTION
Indicates a potential hazardous situation that, if not
avoided, may result in minor injury or machine
damage. This can also be used to alert against
unsafe practices.
Failure to observe the instructions preceded by the
aforementioned key words may result in severe or
fatal injury to the persons involved.
Furthermore, this Manual also contains instructions
preceded by the terms NOTE and IMPORTANT, with
the following relevance in relation to machine
protection:
IMPORTANT: This is used to higlight important
information for machine usage or specific
procedures to prevent minor machine damages.
NOTE: This is used to identify and present
supplementariy informations.
IMPORTANT WARNINGS
The machine is designed and produced exclusively
for agricultural use.
All other use will be considered to be contrary to the
use specified by NEW HOLLAND, who can not be
held liable for damage to property or the machine, or
for personal injuries which may result.
Persons who risk improper use will therefore assume
the responsibility for any consequences arising from
such use.
Compliance with the instructions for use,
maintenance and repairs described in this Manual,
are the essential preconditions for the use specified
by NEW HOLLAND.
The tractor must only be used, serviced or repaired
by personnel trained in the relevant working methods
and safety regulations and who have been
authorised to work on the tractor.
The user must also observe the rules concerning
general safety and accident prevention, including the
Highway Code when driving on public highways.
Any arbitrary modifications made to this tractor will
release NEW HOLLAND from any liability resulting
from damage or injury.
NEW HOLLAND and all its distribution
organisations, inclusive of, but not restricted to,
national, regional or local distributors, can not be
held liable for damage resulting from the malfunction
of parts and/or components not approved by
NEW HOLLAND.
Under no circumstances will a guarantee be issued
for products made or sold by NEW HOLLAND that
are damaged as a result of the malfunction of parts
and/or components not approved by
NEW HOLLAND.

1–6
Commission Directive 2010/52/EU
Aspects concerning safety of directive 2010/52/EU
Section 4.1
A. Ergonomic position of the seat.
Regulate the driver seat correctly in the most
comfortable, ergonomic position before using the
tractor. This reduces the risks and effects of the
vibrations transmitted to the whole body. Please refer
to pages 2–14, 2–15 for specific adjustment
instructions. See page 1–34 for further information
on the effects and risks of vibration transmitted to the
whole body.
B. Heating, ventilation and air–conditioning
(Not Available)
C. Starting and shutting down the engine.
To be able to use the tractor safely, it is
recommended to read and fully understand all the
information on engine start–up and shutdown and
likewise safety for use and operation. Please refer to
page 3–2, 3–3 and page 3–4.
D. Emergency exit
(Not Available)
E. Getting on and off the tractor.
WARNING
Fall hazard!
Jumping on or off the tractor could cause an injury.
Always face the tractor, use the handrails and steps,
and get on or off slowly. Maintain a three–point
contact to avoid falling: both hands on the handrails
and one foot on the step, or one hand on the handrail
and both feet on the steps. Failure to comply could
result in death or serious injury.
See page 1–23
F. Articulated tractors.
(Not Available)
G. Special Tools.
No special tools are required for using or servicing
the tractor. For support and maintenance work and
services not contemplated in this manual, please
contact your dealer NEW HOLLAND
AGRICULTURE.
H. Support and maintenence.
DANGER
Improper operation or service of this tractor can
result in an accident.
Do not operate this tractor or perform any lubrication,
maintenance, or repair on it until you have read and
understood the operation, lubrication, maintenance,
and repair information. Failure to comply will result in
death or serious injury.
DANGER
Any unauthorized modifications made to this tractor
can have serious consequences. Consult an
authorized dealer on changes, additions, or
modifications that may be required for this tractor. Do
not make any unauthorized modifications.
Failure to comply will result in death or serious injury.
WARNING
Read and understand the SAFETY INFORMATION
Section before you perform any maintenance,
service, or repairs. Read and understand the specific
service procedures for the components you plan to
work with before you start servicing the tractor.
Failure to comply could result in death or serious
injury.
WARNING
If you do not understand a maintenance procedure,
or doubt your ability to perform a maintenance
procedure correctly, see your authorized dealer.
injury.
WARNING
Personal Protective Equipment (PPE) required.
When assembling, operating, or servicing the tractor,
wear protective clothing and PPE necessary for the
particular procedure. Some PPE that may be
necessary includes protective shoes, eye and/or
face protection, hard hat, heavy gloves, filter mask,
and hearing protection.
injury.

1–7
I. Hydraulic Hoses
Although periodical inspection of the hydraulic hoses
is required, it is not necessary for the operator to
carry out maintenance work. Please refer to the
general precautions to be observed for tests and
inspections given in this manual (chapter on
lubrication and maintenance).
J. Towing the tractor
WARNING
Avoid injury!
Incorrect towing procedures can cause accidents.
When towing your machine, follow the procedure in
this manual.
injury.
Please refer to page 2–20.
K. Hoisting Point
The points to use for hoisting the machine are shown
on page 1–21.
L. Batteries and fuel tank
Observe all the following precautions. Please refer to
page 4–31 for the specific maintenance operations
on the battery. Please refer to page 4–2 for
instructions on filling.
WARNING
Explosive gas!
Batteries emit explosive hydrogen gas and other
fumes while charging. Ventilate the charging area.
Keep the battery away from sparks, open flames,
and other ignition sources. Never charge a frozen
battery.
injury.
WARNING
Battery gas can explode!
To prevent an explosion: 1. Always disconnect the
negative (–) battery cable first. 2. Always connect the
negative (–) battery cable last. 3. Do not short circuit
the battery posts with metal objects. 4. Do not weld,
grind, or smoke near a battery.
injury.
WARNING
Battery acid causes burns. Batteries contain sulfuric
acid.
Avoid contact with skin, eyes or clothing. Antidote
(external): Flush with water. Antidote (eyes): flush
with water for 15 minutes and seek medical attention
immediately. Antidote (internal): Drink large
quantities of water or milk. Do not induce vomiting.
Seek medical attention immediately.
injury.
WARNING
Fire hazard!
When handling diesel fuel, observe the following
precautions:
1. Do not smoke.
2. Never fill the tank when the engine is running.
3. Wipe up spilled fuel immediately.
injury.
WARNING
Fire hazard!
Do not add gasoline, alcohol, or blended fuels to
diesel fuel, except as recommended in this manual.
Fuel combinations may increase fire and explosion
hazards.
injury.
WARNING
Fuel vapors are explosive and flammable.
Do not smoke while handling fuel. Keep fuel away
from flames or sparks. Shut off engine and remove
key before servicing. Always work in a
well–ventilated area. Clean up spilled fuel
immediately.
injury.
M. Danger of Overturning
Do not use the tractor on slopes or in such conditions
as to compromise its limits of safety and stability,
indicated in 1–17 Using the tractor beyond these
limits may result in a roll – over or a tip – over.
Observe the recommendations in this manual. Pay
particular attention when coming down steep slopes
with a loaded tractor.
Do not drive the tractor on or near the edge of ditches,
canals, dykes or embankments with ground that is
unstable or dug out by rodents. The tractor may sink
sideways and roll over.

1–8
Do not use the tractor on unstable bridge – heads and
poor bridge floors. These constructions may collapse
and cause roll – over of the tractor. Always inspect
the condition and carrying capacity of bridges and
ramps prior to crossing.
Do not use the tractor without wearing the seat
restraint system (seat belt) during activities where
roll – over or tip – over hazards exist. Cabs with a roll
over protection structure (ROPS) or ROPS offer
adequate protection only when the operator is
correctly fastened in his seat.
Do not use the tractor beyond the respective limits of
dynamic stability. High speed, abrupt manoeuvres
and fast and tight cornering will increase the risk of
roll – over.
Do not use the tractor for pulling work, in cases where
you do not know whether the load will yield, for
instance when pulling stumps. The tractor may flip
over when the stump is not yielding.
Be extremely cautious when working with the tractor
on forage silos with outside concrete walls. To
increase the tractor’s side stability, it is possible to
mount twin wheels or increase its track setting.
Be cautious that the centre of gravity of the tractor
may increase when loads on the front – end loader
or the three point linkage are raised. In these
conditions, the tractor may roll – over earlier than
expected.
N. Avoid Burns
WARNING
Hot surface possible!
Wait for all components to cool before performing
any operation.
injury.
O. Falling object protective structure (FOPS)
(Not Available)
P. Dangerous Substances
The tractor cab corresponds to the category stated
on the plate of the ROPS. This category is indicated
in EN 15695–1:2009 and defines the level of
protection for the operator against potentially
dangerous substances, such as fertilizers or
pesticides. On tractors without a cab, the level of
protection corresponds to that of category 1. For the
definitions, please refer to 1–17.
Q. Operator Protection Structure (OPS)
The tractor is not equipped with a type approved OPS
protection structure. Protection against object
penetration (OPS) can be obtained solely by
installing a specific kit. Contact your dealer to check
the availability of a type approved OPS kit for the
tractor, especially in the case of forestry applications.
Section 4.2
A. Tractor Implements
The tractor is a multifunction machine, designed to
tow, transport and operate various implements. It is
not possible in this manual to give all the relevant
information on safety in use and operation of the
various tractor implement configurations.
WARNING
Equipment failure could cause accident or injury!
Use only authorized auxiliary hydraulic attachments.
Always read and understand the manual or
instructions supplied by the manufacturer to avoid
injury or damage. Understand the operation and
safety instructions before you attach, remove, or
operate the attachment.
injury.
B. Tree–Point Linkage
WARNING
Avoid injury!
Always stay clear of the implement operating area. In
particular, DO NOT stand between the tractor and
the trailed vehicle or either three–point linkage when
operating lift controls. Make sure no bystanders are
within or near these operating areas.
injury.
C. Positioning the implement fitted before
leaving the tractor
WARNING
Falling object hazard!
Lower all components, attachments, or implements
to the ground before leaving the cab.
injury.

1–9
D. Power take–off
Make sure that the terminal of the PTO fitted on the
tractor corresponds to the one for the selected
speed. When using any implement requiring a speed
of 540 RPM, never select 1000 RPM, and vice versa.
WARNING
Machine damage can cause accidents!
Always use the recommended Power Take–Off
(PTO) speed for the implement. Consult the
implement operator’s manual for the correct speed.
injury.
E. Power take–off guards
WARNING
Entanglement hazard!
The Power Take–Off (PTO) guard must be installed
when operating PTO–driven equipment.
injury.
F. Hydraulic coupler devices
Please refer to page 3–15 for detailed information
and the precautions for using and operating the
hydraulic system.
WARNING
Pressurized system!
Before disconnecting the couplers, you must:
–lower the connected attachments,
–stop the engine,
–move the control levers forward and backward to
discharge pressure from the hydraulic system.
injury.
G. Tree–Point linkage hoisting capacity
The maximum hoisting capacity of the three–point
linkage is indicated in the ”Main Data” paragraph of
this manual.
Do not exceed this limit.
H. Determination of the total mass, the loads on
the axles, the permissible loads for the tyres and
the minimum ballast necessary.
WARNING
Loss of control!
When operating at high road speeds, tire pressures
and maximum load capacities recommended by the
manufacturer should be strictly followed. Consult
your authorized dealer or tire supplier for the correct
pressures and load capacities of the tires fitted to
your machine.
injury.
As regards the total mass of the tractor, please refer
to page: 8–2
As regards the maximum load capacity on the axles
and the load of the tyres, please refer to pages: 3–30
As regards the tractor ballast, please refer to pages:
3–34,3–35, 3–36,3–37.
I. Trailer brakes systems
All the available systems for the trailer brakes are
given on page 7–4
Always check compatibility with the towed vehicles or
equipment. In addition to the information given in this
manual, please refer to the manual and
recommendations provided by the trailer
manufacturer.
J. Downward load on the rear coupler
The maximum vertical load on the rear coupler is
given on pages 3–34 .
K. Implements with shafts driven by the power
take–off
All the PTO versions available for this tractor,
including type 3, have been designed to ISO
500–1:2004(E) standards. The angle of demarcation
of the clear zone is 60°.
The extent of the clear zone can be limited by using
mobile or detachable devices. The clear zone for
towing vehicles must comply with the ISO 6489 and
ISO 5673–2 standards.
L. Data relating to the greatest permissible
masses for towing trailers.
The greatest permissible masses for the trailer are
given on the tractor type approval data plate shown
on page 1–3 Plate – Product identification. The data
are given alongside the illustration on page 1–3.
M. Area between the tractor and the towed
implement or vehicle
WARNING
Avoid injury!
Always stay clear of the implement operating area. In
particular, DO NOT stand between the tractor and
the trailed vehicle or either three–point linkage when
operating lift controls. Make sure no bystanders are
within or near these operating areas.
injury.

1–10
Section 4.3
Noise declaration
The noise levels at the operator’s ear are measured
in conformity with the Directive 2009/76/EC. The
noise levels with the tractor in motion are measured
in conformity with Appendix VI of the Directive
2009/63/EC. The specific values for the tractor are
given on page 1–33.
Section 4.4
Vibration declaration
The levels of vibration are measured in conformity
with the Directive 78/764/EEC and are given on page
1–34.
Section 4.5.1
Utilization of a front loader (risk of falling objects)
(Not Available)
Section 4.5.2
Use in forestation (risk of objects falling and/or
object penetration)
WARNING
Avoid injury!
Your machine is NOT EQUIPPED FOR FORESTRY
APPLICATIONS (heavy or light). See your dealer to
verify if a specific certified forestry kit exists and can
be fitted on your machine.
injury.
1– If using a farm tractor in forestation, the following
risks have been identified:
A. Falling trees, especially if a clamp crane for tree
trunks has been fitted on the back of the tractor.
B Penetration of objects into the space reserved for
the operator, mainly if a winch is fitted on the back of
the tractor.
Section 4.5.3
Utilization of sprayers, fitted on the tractor or
towed (risk of dangeraus substances)
(Not Available)

1–11
WORKING SAFELY
THE TRACTOR
1. Read this Manual carefully before starting, using,
carrying out maintenance, refuelling or
performing any other type of operation on the
tractor. Lack of operating knowledge can lead to
accidents.
2. The time spent reading this Manual will allow you
to get to know your tractor, thereby saving time
and effort. This will also help prevent accidents
from taking place.
3. Only allow properly trained and qualified persons
to operate the tractor.
4. Enter and leave the tractor using the steps and
handles provided. Keep these fittings free ofmud
and debris.
5. Read all the safety decals on the tractor and
follow the instructions thereon before starting,
operating, refuelling or carrying out maintenance
on the tractor. Promptly replace any decals that
are damaged, lost or illegible.
Clean the decals if they are covered by mud or
debris.
6. Remember that the tractor is exclusively
designed for agricultural use. Any other use will
require prior authorisation from NEW HOLLAND.
7. Never carry passengers, not even on the
platform, unless the tractor is fitted with an
approved extra seat. There is no safe place for
extra passengers otherwise.
8. Before moving the tractor, always check that the
area is free of persons or obstacles.
9. Keep children away from the tractor and farm
machinery at all times.
10. Do not modify or alter or permit anyone else to
modify or alter the tractor or any of its
components or any tractor function without first
consulting your dealer.
11. Before starting the engine, check that all
coversand guards are correctly in position (roll
bar,bonnet side panels, power take–off guard,
front axle transmission shaft cover, etc.).

1–12
DRIVING THE TRACTOR
1. Never start or manoeuvre the tractor unless
seated in the driving position.
2. When driving on public roads, have
consideration for other road users. Pull in to the
side of the road occasionally to allow any
following traffic to pass. Do not exceed the legal
speed limit set in your country for agricultural
tractors.
3. Use a rotating beacon when driving on public
roads to indicate that the vehicle is slow moving
and is a possible hazard.
4. Dip the tractor lights when meeting a vehicle at
night. Make sure the lights are adjusted to
prevent blinding the driver of an oncoming
vehicle.
5. Reduce speed before turning or applying the
brakes. Brake both wheels simultaneously when
making an emergency stop. Ensure that both
brake pedals are locked together when travelling
at road speeds or when on public roads to ensure
correct operation of trailer brakes, balanced
operation of the tractor brakes and four wheel
braking (4WD tractors only).
6. Use extreme caution and avoid hard application
of the tractor brakes when towing heavy loads at
road speeds.
7. When towing, do not negotiate bends with the
differential lock engaged as this may prevent you
from steering the tractor.
8. Always use the tractor at a speed that will
guarantee safe operation on the type of land
being worked. When working on uneven ground,
use maximum care to ensure proper stability.
9. If you have to work with the tractor on a gradient,
for example on hillsides, drive at moderate speed
especially when taking curves.
10. Keep the tractor in the same gear when going
downhill as would be used when going uphill. Do
not coast or freewheel down hills.
11. For safe operation any towed vehicle whose total
weight exceeds that of the towing tractor must be
equipped with a braking system that complies
with the legal requirements of that country.
12. Never apply the differential lock when turning.
When engaged, the differential lock will prevent
the tractor from turning.
13. Always check overhead clearance, especially
when transporting the tractor. Watch where you
are going, especially at row ends, on roads and
around trees and low overhanging obstacles.
14. To avoid overturns, drive the tractor with care and
at speeds compatible with safety, especially
when operating over rough ground, when
crossing ditches or slopes and when turning
corners.
15. Use extreme caution when operating on steep
slopes.
16. If the tractor becomes stuck or the tyres are
frozen to the ground, reverse the tractor out to
prevent overturning.

1–13
OPERATING THE TRACTOR
1. Apply the parking brake, place the PTO control in
the ‘OFF’ position, the lift control lever in the
down position, the remote control valve levers in
the neutral position and the transmission levers
in neutral before starting the tractor.
2. Before starting the engine, check that the
handbrake is on and that the gears and power
take–off are disengaged, even if the tractor is
fitted with a start–up safety device. Never
disconnect the start–up safety switch. If the
switch does not work correctly, contact your local
dealer for eventual repair operations.
3. Before starting the engine, make sure that all
attached implements are lowered to the ground.
4. Do not start the engine or operate controls (other
than externally located hydraulic lift or PTO
switches, if fitted) while standing beside the
tractor. Always sit in the tractor seat when
starting the engine or operating the controls.
5. Do not bypass the transmission and PTO neutral
start switches. Consult your authorised dealer if
your neutral start controls malfunction. Use jump
leads only in the recommended manner.
Improper use can result in a tractor runaway.
6. Avoid accidental contact with the gear shift levers
while the engine is running. Unexpected tractor
movement can result from such contact.
7. Do not get off the tractor while it is in motion.
8. If the power steering or engine ceases operating,
stop the tractor immediately as the tractor will be
more difficult to control.
9. Before leaving the tractor, park the tractor on
level ground, apply the parking brake, lower
attached implements to the ground, disengage
the PTO and stop the engine.
10. Do not park the tractor on a steep incline.
11. The platform is designed to provide the minimum
noise level at the operator’s ears and meets or
exceeds applicable standards in this respect.
However, noise (sound pressure level) in the
workplace can exceed 85 dB(A) when working
between buildings or in confined spaces.
Therefore, it is recommended that operators
wear suitable ear protectors when operating in
high noise level conditions.
12. Never run the engine in a closed space without
ensuring adequate ventilation. Exhaust fumes
are damaging to the health and can be lethal.
13. Pull only from the pick-up hitch, swinging
drawbar or the lower link drawbar in the lowered
position. Use only a drawbar pin that locks in
place. Pulling from the tractor rear axle or any
point above the axle may cause the tractor to
overturn.
14. Select the most suitable wheel setting for the
work in hand, i.e.: the setting that provides the
best stability.

1–14
15. Always select Position Control when attaching
equipment and when transporting equipment. Be
sure hydraulic couplers are properly mounted
and will disconnect safely in case of accidental
detachment of the implement.
16. If the front end of the tractor tends to rise when
heavy implements are attached to the
three–point hitch, install front end or front wheel
weights. Do not operate the tractor with a light
front end.
17. Engage the clutch slowly: if engaged too quickly,
especially when the tractor is getting out of a
hole, ditch or operating on muddy ground or
steep slopes, the tractor may overturn.
Release the clutch immediately if the front
wheels start to lift.
18. Ensure any attached equipment or accessories
are correctly installed, are approved for use with
the tractor, do not overload the tractor and are
operated and maintained in accordance with the
instructions issued by the equipment or
accessory manufacturer.
19. Remember that your tractor, if abused or
incorrectly used, can be dangerous and become
a hazard both to the operator and to bystanders.
Do not overload or operate with attached
equipment which is unsafe, not designed for the
particular task or is poorly maintained.
20. Do not leave equipment in the raised position
when the vehicle is stopped or unattended.
21. Do not drive equipment near open fires.
22. Always wear a protective mask when working
with toxic spray chemicals. Follow the directions
on the chemical container.
OPERATING THE PTO
1. When operating PTO driven equipment, shut off
the engine, switch off the PTO and wait until the
PTO stops before getting off the tractor and
disconnecting the equipment.
2. Do not wear loose clothing when operating the
power take-off or especially when near rotating
equipment.
3. When operating stationary PTO driven
equipment, always apply the tractor parking
brake and block the rear wheels front and back.
4. To avoid injury, do not clean, adjust, unclog or
service PTO driven equipment when the tractor
engine is running. Ensure that the PTO is
switched off.
5. Make sure the PTO guard is in position at all
times and always replace the PTO cap when the
PTO is not in use.

1–15
TOWING AND TRANSPORT
1. To guarantee tractor stability when moving,
adjust the hitching device according to the trailer
or implement to be used.
2. Drive slowly when towing extremely heavy loads.
3. For your own safety, do not tow trailers that are
not fitted with an independent braking system.
4. If the tractor is used to tow heavy loads, always
use the hitching device and never hitch loads
onto the lower arms or the top link of the
three–point linkage. This may result in tipping or
overturning.
USING IMPLEMENTS AND AGRICULTURAL
MACHINERY
1. Do not connect implements or machinery that
require more power than can be generated by
your tractor model.
2. Never negotiate sharp bends with the power
take–off under a heavy load; this may damage
the universal joints on the transmission shaft
connected to the power take–off.
3. Never stand between the reversing tractor and
the implement when hitching.
4. Do not operate machines connected to the power
take–off without first ensuring that the operating
range of the machine is free of bystanders. Also
check that all rotating parts connected to the
power take–off shaft are correctly protected.
STOPPING THE TRACTOR
1. When the tractor is stationary, never leave
connected implements in the raised position. All
implements must be lowered before stopping the
engine.
2. Before leaving the driving position, move the
gear lever to the neutral position, disengage the
power take–off, apply the handbrake, stop the
engine and put the tractor in gear.
Always remove the ignition key from the
instrument panel when leaving the tractor
unattended.
3. Park on flat surfaces, where possible, put the
tractor into gear and apply the handbrake. On
slopes, in addition to applying the handbrake, put
the tractor in first gear when facing downhill. As
an additional safety measure, use wheel chocks
(available as an optional);
this procedure is compulsory when parking with
a trailer hitched.
SERVICING THE TRACTOR
1. The cooling system operates under pressure
which is controlled by the expansion tank cap. It
is dangerous to remove the cap while the system
is hot. Always turn the cap slowly to the first stop
and allow the pressure to escape before
removing the cap entirely. Never remove the cap
from the top of the radiator unless the expansion
tank pressure cap has first been removed.
2. Do not smoke while refuelling the tractor. Keep
any type of open flame away.
3. Keep the tractor and equipment, particularly
brakes and steering, maintained in a reliable and
satisfactory condition to ensure your safety and
comply with legal requirements.
4. To prevent fire or explosion, keep open flames
away from battery or cold weather starting aids.
To prevent sparks which could cause explosion,
use jumper cables according to instructions.
5. Stop the engine before performing any service
on the tractor.
6. Hydraulic fluid and fuel oil in the injection system
operate under high pressure. Leaks of
pressurised oil can cause serious injuries. When
looking for leaks use the appropriate safety
equipment: screens, safety glasses and gloves.
Unqualified persons should not remove or
attempt to adjust a pump, injector, nozzle or any
other part of the fuel injection or hydraulic
systems. Failure to follow these instructions can
result in serious injury.
• Do not use your hand to check for leaks. Use a
piece of cardboard or paper to search for leaks.
• Stop the engine and relieve pressure before
connecting or disconnecting lines.

1–16
• Tighten all connections before starting the
engine or pressurising lines.
• If fluid is injected into the skin obtain medical
attention immediately or gangrene may result.
7. Do not modify or alter or permit anyone else to
modify or alter the tractor or any of its
components or any tractor function without first
consulting an authorised dealer.
8. Continuous long term contact with used engine
oil may cause skin cancer. Avoid prolonged
contact with used engine oil. Wash skin promptly
with soap and water.
9. Keep equipment clean and properly maintained.
10. Dispose of all drained fluids and removed filters
properly.
11. Tractor wheels are very heavy. Handle with care
and ensure, when stored, that they can not topple
and cause injury.
12. Do not work on the tyres with unsuitable
equipment or without the necessary experience.
Incorrect tyre fitting may put safety at risk. If in
doubt, contact skilled personnel.
13. When changing or storing tyres, make sure they
are stacked correctly and can not roll or topple
over causing personal injury.
DIESEL FUEL
1. Under no circumstances should gasoline,
alcohol or blended fuels be added to diesel fuel.
These combinations can create an increased fire
or explosive hazard. In a closed container such
as a fuel tank these blends are more explosive
than pure gasoline. Do not use these blends.
2. Never remove the fuel cap or refuel with the
engine running or hot.
3. Do not smoke while refuelling the tractor or when
standing near fuel. Keep any type of open flame
away.
4. Maintain control of the fuel filler pipe nozzle when
filling the tank.
5. Do not fill the fuel tank to capacity. Fill only to the
bottom of the filler neck to allow room for
expansion.
6. Wipe up spilled fuel immediately.
7. Always tighten the fuel tank cap securely.
8. If the original fuel tank cap is lost, replace it with
an approved cap. A non–approved cap may not
be safe.
9. Never use fuel for cleaning purposes.
10. Arrange fuel purchases so that summer grade
fuels are not held over and used in the winter.
11. Do not fill up the fuel tank completely if the tractor
is to work in extremely sunny conditions, as the
fuel may expand and escape. If this occurs, dry
up the spillage immediately.
12. Always keep a fire extinguisher at hand.
WHENEVER YOU SEE THIS SYMBOL IT MEANS: ATTENTION!
BECOME ALERT! YOUR SAFETY IS INVOLVED!

1–17
ROPS, FOPS, OPS PROTECTION
ROPS (roll–over–protective–structure)
This tractor is provided with either a ROPS structure,
offering protection against roll over related hazards,
all the same please consider the following
precautions:
CAUTION
• Do not use the tractor beyond its limits
of terrain gradient and stability. Using
the tractor beyond these limits may
result in a roll–over or a tip–over.
Observe the recommendations in this
Manual and pay particular attention
when going down steep hills in a
loaded condition.
• Do not use the tractor near or on soft verges
of canals and brooks or banks and verges
that are undermined by rodents. The tractor
may sink sideways and roll – over.
• Do not use the tractor on unstable
bridge–heads and poor bridge floors. These
constructions may collapse and cause
roll–over of the tractor. Always inspect the
condition and carrying capacity of bridges
and ramps prior to crossing.
• Do not use the tractor without wearing the
seat restraint system (seat belt) during
activities where roll–over or tip–over hazards
exist. The ROPS cab or ROPS structure will
only be fully effective when the driver
remains attached to his seat.
• Do not use the tractor beyond its limits of
dynamic stability. High speed, abrupt
manoeuvres and fast and tight cornering will
increase the risk of roll–over.
• Do not use the tractor for pulling work, in
cases where you do not know whether the
load will yield, for instance when pulling
stumps. The tractor may flip over backwards
when the stump is not yielding.
• Be extremely cautious when working with the
tractor on forage silos without side concrete.
walls. Dual wheels or a wide track setting may
improve the sideways stability of the tractor.
• Be cautious that the centre of gravity of the
tractor may increase when loads on the
front–end loader or the three point linkage
are raised. In these conditions, the tractor
may roll–over earlier than expected.
FOPS (falling–objects–protective–structure)
Fops certified structure is providing protection
against falling objects according to OECD code 10
standard; it is reccomended to use a certified fops
structure when working in forestry applications; a
structure not fops certified is offering insufficient
protection against falling rocks, bricks or pieces of
concrete.
OPS (objects–penetrating–structure)
This tractor is not provided with an OPS certified
structure; please carefully read the following
important information especially when working in a
forestry environment.
FORESTRY APPLICATIONS
CAUTION
This tractor is not designed for heavy forestry
applications; usage is prohibited unless a
certified FORESTRY KIT is installed; contact
your dealer to verify whether a forestry kit exists
for this tractor model. Only a forestry specific kit
will provide necessary protection against falling
trees.
Protection against penetrating objects (OPS) can
be obtained only fitting a specific KIT, contact
your dealer to verify whether an OPS certified KIT
is available for your tractor.
MACHINE STABILITY1.
The following procedure describes the requirements
for machine stability, and how to calculate the
required front – mounted and rear – mounted ballast.
For the ballast refer also to the ballast
recommendations in this Manual.
For the maximum permitted operating weights refer
to the vehicle weights in this Manual.
CAUTION
Not following the machine stability requirements, can
result in instability of the tractor. Risk of severe injury
or death. Always consider and follow the machine
stability requirements.
The following procedure and calculation is based on
the tractor on the even ground.
CAUTION
Not taking into consideration the influence of strong
inclinations and steep hills can result in instability of
the tractor. Risk of severe injury and death.
Ballast weights and driving speed have to be
adjusted accordingly to ensure stable and accurate
steering and to ensure the required brake
perfomance in critical situations.

1–18
NECESSARY DATA TO EVALUATE
STABILITY
Legend
To get this value
refer to:
MT Mass of the un–laden tractor
= Tractor with standard
equipment, minimum fuel, no
weights or liquid ballast, no
operator, and single wheel
equipment
This
Manual
MF Front axle load un–laden
tractor
This
Manual
MR Rear axle load un–laden
tractor
This
Manual
a Distance Center of Gravity
front load to front axle centre
Manual
of the
equipme
nt or to
measure
b Wheelbase This
Manual
c Distance rear axle centre to
lower hitch point of three –
point linkage
This
Manual
or to
measure
d Distance Center of Gravity
rear load to lower hitch point
of three – point linkage
Manual
of the
equipme
nt or to
measure
e Distance rear axle centre to
centre of gravity (COG) of
MT (mass of un–laden
tractor)
To
calculate
(Formula
on
following
pages)
BF Mass of front – mounted
equipment or front –
mounted ballast
Manual
of the
equipme
nt or to
measure
BR Mass of rear – mounted
equipment or rear – mounted
ballast
Manual
of the
equipme
nt or to
measure
MPTmax Maximum permissible mass
of the laden tractor.
This
Manual
MPFmax Maximum permissible front
axle load.
This
Manual
MPRmax Maximum permissible rear
axle load.
This
Manual
NOTE:
1. Equipment weight together with its filling must be
added to laden values (seed drills, fertilizer
spreaders, ...).
2. Ballasting weight in the centre of the front or rear
tires, either solid or liquid, must be added to MF,
MR and MT.
3. In case of an unbalanced trailer, the value c is the
distance between the centre of the rear axle and
the hitching point, the value d is 0, and BR is the
vertical load of the trailer on the hitch.

1–19
CONSTANT PARAMETERS
0.2 Minimum ratio: actually axle
load of laden front
axle/mass of the unladen
tractor
Legal
requirem
ent
0.45 Minimum ratio: actually axle
load of laden rear
axle/mass of the unaden
tractor
Legal
requirem
ent
REQUIRED FRONT BALLAST
TO CALCULATE
BFr Ballast required at the front when
carrying a load BR at the rear
CALCULATION OF BFr
MT * e = MF * b
e = (MF * b)/MT
BR * (c+d) – (MT * e)+(MPF * b) = BFr * (a+b)
MPF 0.2* MT
MPF value must be higher than 0.2*MT
BFr [ BR*(c+d) – (MF * b) + (0.2 * MT * b)] / (a+b)
REQUIRED REAR BALLAST
TO CALCULATE
BRr Ballast required at the rear when
carrying a load BF at the front
CALCULATION OF BRr
MT * (b – e) = MR * b
BF*a – MT * (b–e) + (MPR*b) = BRr * (b+c+d)
MPR 0.45* MT
MPR value must be higher than 0.45*MT
BRr [(BF*a) – (MR *b)+(0.45 * MT * b)]/(b+c+d)

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1–20
AXLE LOAD LIMITS
TO CALCULATE
MPF MPF MPFmax
MPR MPR MPRmax
MPT MPT MPTmax
CALCULATION OF MPF
(MPF*b) – BF*(a + b) – (MT*e) + BR*(c + d)
MPF = [BF * (a+b) + (MF*b) – BR*(c+d)]/b
MPFmax
CALCULATION OF MPT
MPT = BF + MT + BR MPTmax
CALCULATION OF MPR
MRT = MPT – MPF MPRmax
MF Front axle load unladen
tractor
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Manual

New Holland Td3.50 Tractor Operator & Maintenance Manual.pdf

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New Holland Td3.50 Tractor Operator & Maintenance Manual.pdf